ZesleCP up to 3.1.9 FTP Account Creation Endpoint os command injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.4 | $0-$5k | 0.14 |
Summary
A vulnerability labeled as critical has been found in ZesleCP up to 3.1.9. Affected by this vulnerability is an unknown functionality of the component FTP Account Creation Endpoint. The manipulation results in os command injection. This vulnerability is cataloged as CVE-2021-47794. The attack may be launched remotely. Furthermore, there is an exploit available.
Details
A vulnerability was found in ZesleCP up to 3.1.9. It has been classified as critical. Affected is an unknown part of the component FTP Account Creation Endpoint. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
ZesleCP 3.1.9 contains an authenticated remote code execution vulnerability that allows attackers to create malicious FTP accounts with shell injection payloads. Attackers can exploit the FTP account creation endpoint by injecting a reverse shell command that establishes a network connection to a specified listening host.
The weakness was shared by Numan Türle as 50233. The advisory is shared for download at exploit-db.com. This vulnerability is traded as CVE-2021-47794 since 01/14/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1202.
The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at Exploit-DB (50233). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Name
Version
CPE 2.3
CPE 2.2
Video
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
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CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.4
VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 8.8
CNA Vector (VulnCheck): 🔒
CVSSv2
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VulDB Base Score: 🔒
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VulDB Reliability: 🔍
Exploiting
Class: Os command injectionCWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
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Exploit-DB: 🔒
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
01/14/2026 CVE reserved01/16/2026 Advisory disclosed
01/16/2026 VulDB entry created
01/16/2026 VulDB entry last update
Sources
Advisory: 50233Researcher: Numan Türle
Status: Not defined
CVE: CVE-2021-47794 (🔒)
GCVE (CVE): GCVE-0-2021-47794
GCVE (VulDB): GCVE-100-341484
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 01/16/2026 09:30Changes: 01/16/2026 09:30 (80)
Complete: 🔍
Cache ID: 216:152:103
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